Question

(iv)
The relative atomic mass of oxygen atom is 16 amu. The mass of 2 moles of O2 gas is
(a) 32 g
(b) 48 g
(c) 648
(d) 128 g​

Answer 1

Answer:

ans is 64gm plzz correct option c its not 648 it is 64g..here's the solution mass=moles×molecular mass

mass=2×(16)2

mass=2×32

mass=64gm...

hope soo it will help..